Home / 92,216.24-138,378-38,904.92

Finding the Fourth Proportional to 92,216.24, 138,378 and 38,904.92

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Solution

The fourth proportional to 92,216.24, 138,378 and 38,904.92 is: 58,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,216.24 : 138,378 = 38,904.92 : x
  2. Step 2: Convert to fraction form
    92,216.24/138,378 = 38,904.92/x
  3. Step 3: Cross multiply
    92,216.24x = 138,378 × 38,904.92
  4. Step 4: Simplify right side
    92,216.24x = 5,383,585,019.76
  5. Step 5: Solve for x
    x = 5,383,585,019.76/92,216.24
  6. Step 6: Final answer
    x = 58,380.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.